INDUSTRY COMPONENT

LED/Laser Chip

LED/Laser Chip is a semiconductor component that converts electrical energy into light through electroluminescence or stimulated emission, serving as the core light-emitting element in emitters.

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Component Specifications

Definition
An LED/Laser Chip is a solid-state semiconductor device fabricated from compound semiconductor materials like GaAs, GaN, or InP. It functions as the active region where electrical current injection causes electron-hole recombination, generating photons. For LEDs, this produces incoherent light via spontaneous emission; for laser chips, it produces coherent, monochromatic light via stimulated emission within an optical cavity. Key parameters include wavelength, output power, efficiency, and thermal characteristics.
Working Principle
LEDs operate on electroluminescence: when forward-biased, electrons and holes recombine in the active layer, releasing energy as photons. Laser chips use stimulated emission: injected carriers create population inversion in the active region, and photons stimulate further emission in a resonant cavity, producing coherent light with specific wavelength and phase.
Materials
Compound semiconductor substrates: GaAs for infrared/red, GaN/InGaN for blue/green/white, InP for telecommunications. Epitaxial layers: multiple quantum wells for efficiency. Contacts: gold or aluminum for p/n electrodes. Packaging: ceramic or metal headers with silicone encapsulation.
Technical Parameters
  • Lifetime >50,000 hours
  • Wavelength 400-1600 nm
  • Output Power 1 mW - 10 W
  • Forward Voltage 1.8-3.6 V
  • Operating Current 20 mA - 2 A
  • Thermal Resistance <10 K/W
Standards
ISO 23550, IEC 60825-1, JEDEC JESD51

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for LED/Laser Chip.

LED chip laser diode semiconductor emitter optoelectronic component GaN chip industrial lighting photonics LED/Laser Chip LED/Laser Chip in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Emitter

The component within a photoelectric sensor that emits a light beam for detection purposes.

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Engineering Analysis

Risks & Mitigation
  • Electrostatic discharge damage
  • Thermal runaway from inadequate cooling
  • Wavelength shift due to temperature fluctuations
  • Catastrophic optical damage in laser chips
FMEA Triads
Trigger: Excessive operating current
Failure: Overheating and thermal degradation
Mitigation: Implement current limiting circuits and active thermal management
Trigger: Poor solder joint quality
Failure: Intermittent electrical connection or open circuit
Mitigation: Use automated soldering with process control and inspection

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Wavelength tolerance ±5 nm, power output tolerance ±10%
Test Method
Spectroradiometry for optical characteristics, thermal imaging for heat dissipation, accelerated life testing per IEC 60068

Buyer Feedback

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Frequently Asked Questions

What is the difference between an LED chip and a laser chip?

LED chips produce incoherent, broad-spectrum light via spontaneous emission, while laser chips produce coherent, narrow-spectrum light via stimulated emission in an optical cavity, offering higher directionality and intensity.

What are common failure modes for LED/laser chips?

Common failures include thermal degradation from overheating, electrostatic discharge damage, solder joint fatigue, and optical output decay due to material defects or aging.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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LED/Infrared Emitter LED/Laser Diode